Name 5 prime numbers.

2, 3, 5, 7, 11 are the first five prime numbers.

A prime number is any number which only has two factors: 1, and itself.

The following numbers are prime numbers (factors in parentheses):

2 (1,2) (note: this is the only even prime number)

3 (1,3)

5 (1,5)

7 (1,7)

11 (1,11)